Single quantum dot nanowire photodetectors
Moving a step closer toward quantum computing, a research team in the Netherlands recently fabricated a photodetector based on a single nanowire, in which the active element is a single quantum dot...
View Article'Electron vortices' have the potential to increase conventional microscopes'...
(PhysOrg.com) -- Electron microscopes are among the most widely used scientific and medical tools for studying and understanding a wide range of materials, from biological tissue to miniature magnetic...
View ArticleZooming in on the weapons of Salmonella
Some of the most dreaded diseases in the world such as plague, typhoid and cholera are caused by bacteria that have one thing in common: they possess an infection apparatus which is a nearly unbeatable...
View ArticleNanomodified surfaces seal leg implants against infection
In recent years, researchers have worked to develop more flexible, functional prosthetics for soldiers returning home from battlefields in Afghanistan or Iraq with missing arms or legs. But even new...
View ArticleEMMA milestone beams its way to a world first
A brand new technology that promises a range of applications from treating cancer to powering safer nuclear reactors has reached another world first in its development. This milestone was confirmed...
View ArticleEngineers create vibrant colors in vertical silicon nanowires
(PhysOrg.com) -- Engineers may soon be singing, "I'm going to wash that gray right out of my nanowires," thanks to a colorful discovery by a team of researchers from Harvard University and Zena...
View ArticleResearchers use electron beams for chemical reactions
Electron microscopes use focussed electron beams to make extremely small objects visible. By combining the instrument with a gas-injection system material samples can be manipulated and surface...
View ArticleBeams of electrons link Saturn with its moon Enceladus
(PhysOrg.com) -- Data from NASA's Cassini spacecraft have revealed that Enceladus, one of Saturn's diminutive moons, is linked to Saturn by powerful electrical currents - beams of electrons that flow...
View ArticleSoftware for the discovery of new crystal structures
A new software called QED (Quantitative Electron Diffraction), which has been licensed by Max Planck Innovation, has now been released by HREM Research Inc., a Japan based company, which is developing...
View ArticleIrradiation underused to fight E. coli in foods
(AP) -- Zapping salad fixings with just a bit of radiation can kill dangerous E. coli and other bacteria - and food safety experts say Europe's massive outbreak shows wary consumers should give the...
View ArticleSACLA X-ray free electron laser sets new record
RIKEN and the Japan Synchrotron Radiation Research Institute (JASRI) have successfully produced a beam of X-ray laser light with a wavelength of 1.2 Angstroms, the shortest ever measured. This...
View ArticleResearch team develops method to produce large sheets of metamaterials
(PhysOrg.com) -- In an announcement many have been waiting for, a research team from the University of Illinois, has succeeded in figuring out how to produce metamaterials in a size big enough to be...
View ArticleFirst X-ray lasing of SACLA
RIKEN and the Japan Synchrotron Radiation Research Institute (JASRI) have successfully produced a first beam of X-ray laser light with a wavelength of 1.2 Angstroms. This light was created using SACLA,...
View ArticleBeams to order from table-top accelerators
Laser plasma accelerators offer the potential to create powerful electron beams within a fraction of the space required by conventional accelerators and at a fraction of the cost. Their promise for...
View ArticleNanowire lens can reconfigure its imaging properties
(PhysOrg.com) -- By taking advantage of the unique optical properties of nanoscale materials, researchers have designed a lens made of nanowires that can reconfigure its imaging properties without any...
View ArticleElectron accelerator scientists report breakthroughs
(PhysOrg.com) -- Cornell scientists have surpassed two major scientific milestones toward proving the technology of a novel, exceedingly powerful X-ray source.
View ArticleScientists carve nanowires out of ultrananocrystalline diamond thin films
A team of scientists working at Argonne National Laboratory's (ANL) Center for Nanoscale Materials has successfully carved ultrananocrystalline diamond (UNCD) thin films into nanowires, boosting the...
View ArticleCatching tokamak fastballs: Controlling runaway electrons
a leading design concept for producing nuclear fusion energycan, under certain rare fault conditions, produce beams of very energetic "runaway" electrons that have the potential to damage interior...
View ArticleResearchers at SLAC test collider closer to creating fully coherent X-rays
(PhysOrg.com) -- Many advanced laser technologies, such as laser spectroscopy, that use precise wavelengths of infrared, visible or ultraviolet laser light could benefit from using X-ray light as well....
View Article'Dark plasmons' transmit energy
Microscopic channels of gold nanoparticles have the ability to transmit electromagnetic energy that starts as light and propagates via "dark plasmons," according to researchers at Rice University.
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